①150+500=
②1.2+2.3=
③240-200=
④4.85-3.15=
⑤
⑥
⑦5.4÷0.9=
⑧2.5×0.4=
1 千米的7千米的 4.35×1.024.35 2
3÷12=
642÷81≈
705-455=
0.3×400=
8.1-0.03=
13+62+15=
0.3×0.3=
8×25%=
⑴2 +3.7=
⑵
⑶16×0.5=
⑷
⑸210-98=
⑹1.2÷=
⑺
⑻1-=
58+142= = 4.8÷100=
7÷ = - - = 12.5×0.25×4=
1.5×1= 910÷70= 2.2﹣1.9= 6÷7= 435+199=
+= -= ÷= 20×= ×=
1÷0.25= += ×24= +=
﹣= 470×0.02= 10÷= 6×0=
1.5×80= ÷2= ×= ÷0.125=